[Novalug] Case Fan Questions

Jay Hart jhart@kevla.org
Mon Aug 6 12:45:40 EDT 2007


Absolutely a great idea.

Do check the PC Coller Disk Drive collers. They mount in a 5.25' bay.

Used them in the past, worked great.

Jay

> This is a somewhat related question... I have a computer that worked great
> until recently. It is an AMD "Athlon" based computer. Recently, it runs
> perfectly for an hour or so and then it "blinks off". I mean, it doesn't
> just crash - it instantly powers down. I'm thinking that this may be a CPU
> safety feature that shows it is overheating. I opened the case - and there
> was dust so thick you could scoop it out with your hand. There was also dust
> caked onto the CPU heat sink. I took some time, and gently wiped the case
> clean and used a small handheld fan to blow the remaing dust out of the
> case. It seems to be running OK now - though the "Speedfan" program still
> thinks it is running a little hot.
>
> My understanding of case fans is that they should suck air in the front and
> blow the air out the back. This case has two fans on the back (power supply
> and back of case) and a fan on the CPU/heat sink - but there is no fan on
> the front. Also, the front seems to be mostly blocked and it does not seem
> like installation of a fan would result in good air inflow. I've temporarily
> taken off one of the 5 1/4" CD drive doors (the bottom 4 CD drive bay doors
> are unused). Would it be possible add a fan to one of these drive bay door?
> Crazy idea?
>
> Thanks,
>
> Kevin
>
> On 8/6/07, Ed James <edjames@greenbelt.com> wrote:
>>
>> Jay,
>>
>>     Sorry - should have found a link to a DC to DC Converter in the
>> first place.  Here's one from a random search, with pretty pictures:
>>
>>     http://www.mini-itx.com/store/?c=10
>>
>> They seem to generally take 12 Volt DC power and convert it to the 3,
>> 5, wotever, Volt DC power used by the mobo and stuff.  I'm guessing
>> they were designed for use with car batteries in mind.  My long-term
>> game plan is to use such a system with a car battery and solar panels
>> for an off-the-grid system.  Costwise, it prolly ain't worth it, es-
>> pecially when factoring in the electronic controllers needed.  Funwise,
>> priceless.
>>
>> Ed James
>>
>> Quoting Jay Hart <jhart@kevla.org>:
>> ...
>> >> 2. I've seen ads for a card-thing that plugs into the PSU plug on
>> >> an mITX mobo, which uses 12 volt DC.  Basically, you ditch the AC
>> >> PSU and run straight off battery power.  Have you looked into them
>> >> and have impressions on that being good/safe, or something-not-yet
>> >> -ready-for-primetime?
>> >
>> > Got a link to one, I'm not familar with this.
>>
>>
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>





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